Home / 103,922.24-155,494.08-74,005.61

Finding the Fourth Proportional to 103,922.24, 155,494.08 and 74,005.61

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Solution

The fourth proportional to 103,922.24, 155,494.08 and 74,005.61 is: 110,731.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,922.24 : 155,494.08 = 74,005.61 : x
  2. Step 2: Convert to fraction form
    103,922.24/155,494.08 = 74,005.61/x
  3. Step 3: Cross multiply
    103,922.24x = 155,494.08 × 74,005.61
  4. Step 4: Simplify right side
    103,922.24x = 11,507,433,464.32
  5. Step 5: Solve for x
    x = 11,507,433,464.32/103,922.24
  6. Step 6: Final answer
    x = 110,731.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.